21127260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:316

約数の個数: 192

約数和(自身を含む): 78382080

約数和(自身を除く): 57254820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 17, 20, 21, 22, 28, 30, 33, 34, 35, 42, 44, 51, 55, 60, 66, 68, 70, 77, 84, 85, 102, 105, 110, 119, 132, 140, 154, 165, 170, 187, 204, 210, 220, 231, 238, 255, 269, 308, 330, 340, 357, 374, 385, 420, 462, 476, 510, 538, 561, 595, 660, 714, 748, 770, 807, 924, 935, 1020, 1076, 1122, 1155, 1190, 1309, 1345, 1428, 1540, 1614, 1785, 1870, 1883, 2244, 2310, 2380, 2618, 2690, 2805, 2959, 3228, 3570, 3740, 3766, 3927, 4035, 4573, 4620, 5236, 5380, 5610, 5649, 5918, 6545, 7140, 7532, 7854, 8070, 8877, 9146, 9415, 11220, 11298, 11836, 13090, 13719, 14795, 15708, 16140, 17754, 18292, 18830, 19635, 20713, 22596, 22865, 26180, 27438, 28245, 29590, 32011, 35508, 37660, 39270, 41426, 44385, 45730, 50303, 54876, 56490, 59180, 62139, 64022, 68595, 78540, 82852, 88770, 91460, 96033, 100606, 103565, 112980, 124278, 128044, 137190, 150909, 160055, 177540, 192066, 201212, 207130, 248556, 251515, 274380, 301818, 310695, 320110, 352121, 384132, 414260, 480165, 503030, 603636, 621390, 640220, 704242, 754545, 960330, 1006060, 1056363, 1242780, 1408484, 1509090, 1760605, 1920660, 2112726, 3018180, 3521210, 4225452, 5281815, 7042420, 10563630, 21127260]

約数ペア:

[(1, 21127260), (2, 10563630), (3, 7042420), (4, 5281815), (5, 4225452), (6, 3521210), (7, 3018180), (10, 2112726), (11, 1920660), (12, 1760605), (14, 1509090), (15, 1408484), (17, 1242780), (20, 1056363), (21, 1006060), (22, 960330), (28, 754545), (30, 704242), (33, 640220), (34, 621390), (35, 603636), (42, 503030), (44, 480165), (51, 414260), (55, 384132), (60, 352121), (66, 320110), (68, 310695), (70, 301818), (77, 274380), (84, 251515), (85, 248556), (102, 207130), (105, 201212), (110, 192066), (119, 177540), (132, 160055), (140, 150909), (154, 137190), (165, 128044), (170, 124278), (187, 112980), (204, 103565), (210, 100606), (220, 96033), (231, 91460), (238, 88770), (255, 82852), (269, 78540), (308, 68595), (330, 64022), (340, 62139), (357, 59180), (374, 56490), (385, 54876), (420, 50303), (462, 45730), (476, 44385), (510, 41426), (538, 39270), (561, 37660), (595, 35508), (660, 32011), (714, 29590), (748, 28245), (770, 27438), (807, 26180), (924, 22865), (935, 22596), (1020, 20713), (1076, 19635), (1122, 18830), (1155, 18292), (1190, 17754), (1309, 16140), (1345, 15708), (1428, 14795), (1540, 13719), (1614, 13090), (1785, 11836), (1870, 11298), (1883, 11220), (2244, 9415), (2310, 9146), (2380, 8877), (2618, 8070), (2690, 7854), (2805, 7532), (2959, 7140), (3228, 6545), (3570, 5918), (3740, 5649), (3766, 5610), (3927, 5380), (4035, 5236), (4573, 4620)]