21284869216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{180797}}^1$

素因数の和:181103

約数の個数: 48

約数和(自身を含む): 45287729424

約数和(自身を除く): 24002860208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 283, 416, 566, 1132, 2264, 3679, 4528, 7358, 9056, 14716, 29432, 58864, 117728, 180797, 361594, 723188, 1446376, 2350361, 2892752, 4700722, 5785504, 9401444, 18802888, 37605776, 51165551, 75211552, 102331102, 204662204, 409324408, 665152163, 818648816, 1330304326, 1637297632, 2660608652, 5321217304, 10642434608, 21284869216]

約数ペア:

[(1, 21284869216), (2, 10642434608), (4, 5321217304), (8, 2660608652), (13, 1637297632), (16, 1330304326), (26, 818648816), (32, 665152163), (52, 409324408), (104, 204662204), (208, 102331102), (283, 75211552), (416, 51165551), (566, 37605776), (1132, 18802888), (2264, 9401444), (3679, 5785504), (4528, 4700722), (7358, 2892752), (9056, 2350361), (14716, 1446376), (29432, 723188), (58864, 361594), (117728, 180797)]