21463860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1913}}^1$

素因数の和:1953

約数の個数: 96

約数和(自身を含む): 69455232

約数和(自身を除く): 47991372

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1870, 1913, 2244, 2805, 3740, 3826, 5610, 5739, 7652, 9565, 11220, 11478, 19130, 21043, 22956, 28695, 32521, 38260, 42086, 57390, 63129, 65042, 84172, 97563, 105215, 114780, 126258, 130084, 162605, 195126, 210430, 252516, 315645, 325210, 357731, 390252, 420860, 487815, 631290, 650420, 715462, 975630, 1073193, 1262580, 1430924, 1788655, 1951260, 2146386, 3577310, 4292772, 5365965, 7154620, 10731930, 21463860]

約数ペア:

[(1, 21463860), (2, 10731930), (3, 7154620), (4, 5365965), (5, 4292772), (6, 3577310), (10, 2146386), (11, 1951260), (12, 1788655), (15, 1430924), (17, 1262580), (20, 1073193), (22, 975630), (30, 715462), (33, 650420), (34, 631290), (44, 487815), (51, 420860), (55, 390252), (60, 357731), (66, 325210), (68, 315645), (85, 252516), (102, 210430), (110, 195126), (132, 162605), (165, 130084), (170, 126258), (187, 114780), (204, 105215), (220, 97563), (255, 84172), (330, 65042), (340, 63129), (374, 57390), (510, 42086), (561, 38260), (660, 32521), (748, 28695), (935, 22956), (1020, 21043), (1122, 19130), (1870, 11478), (1913, 11220), (2244, 9565), (2805, 7652), (3740, 5739), (3826, 5610)]