21539664

素因数分解:

$2^4\times 3^2\times {\mathrm{101}}^1\times {\mathrm{1481}}^1$

素因数の和:1596

約数の個数: 60

約数和(自身を含む): 60919092

約数和(自身を除く): 39379428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 101, 144, 202, 303, 404, 606, 808, 909, 1212, 1481, 1616, 1818, 2424, 2962, 3636, 4443, 4848, 5924, 7272, 8886, 11848, 13329, 14544, 17772, 23696, 26658, 35544, 53316, 71088, 106632, 149581, 213264, 299162, 448743, 598324, 897486, 1196648, 1346229, 1794972, 2393296, 2692458, 3589944, 5384916, 7179888, 10769832, 21539664]

約数ペア:

[(1, 21539664), (2, 10769832), (3, 7179888), (4, 5384916), (6, 3589944), (8, 2692458), (9, 2393296), (12, 1794972), (16, 1346229), (18, 1196648), (24, 897486), (36, 598324), (48, 448743), (72, 299162), (101, 213264), (144, 149581), (202, 106632), (303, 71088), (404, 53316), (606, 35544), (808, 26658), (909, 23696), (1212, 17772), (1481, 14544), (1616, 13329), (1818, 11848), (2424, 8886), (2962, 7272), (3636, 5924), (4443, 4848)]