21822780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 70447104

約数和(自身を除く): 48624324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 223, 233, 420, 446, 466, 669, 699, 892, 932, 1115, 1165, 1338, 1398, 1561, 1631, 2230, 2330, 2676, 2796, 3122, 3262, 3345, 3495, 4460, 4660, 4683, 4893, 6244, 6524, 6690, 6990, 7805, 8155, 9366, 9786, 13380, 13980, 15610, 16310, 18732, 19572, 23415, 24465, 31220, 32620, 46830, 48930, 51959, 93660, 97860, 103918, 155877, 207836, 259795, 311754, 363713, 519590, 623508, 727426, 779385, 1039180, 1091139, 1454852, 1558770, 1818565, 2182278, 3117540, 3637130, 4364556, 5455695, 7274260, 10911390, 21822780]

約数ペア:

[(1, 21822780), (2, 10911390), (3, 7274260), (4, 5455695), (5, 4364556), (6, 3637130), (7, 3117540), (10, 2182278), (12, 1818565), (14, 1558770), (15, 1454852), (20, 1091139), (21, 1039180), (28, 779385), (30, 727426), (35, 623508), (42, 519590), (60, 363713), (70, 311754), (84, 259795), (105, 207836), (140, 155877), (210, 103918), (223, 97860), (233, 93660), (420, 51959), (446, 48930), (466, 46830), (669, 32620), (699, 31220), (892, 24465), (932, 23415), (1115, 19572), (1165, 18732), (1338, 16310), (1398, 15610), (1561, 13980), (1631, 13380), (2230, 9786), (2330, 9366), (2676, 8155), (2796, 7805), (3122, 6990), (3262, 6690), (3345, 6524), (3495, 6244), (4460, 4893), (4660, 4683)]