42017580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21221}}^1$

素因数の和:21247

約数の個数: 72

約数和(自身を含む): 139046544

約数和(自身を除く): 97028964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 21221, 42442, 63663, 84884, 106105, 127326, 190989, 212210, 233431, 254652, 318315, 381978, 424420, 466862, 636630, 700293, 763956, 933724, 954945, 1167155, 1273260, 1400586, 1909890, 2100879, 2334310, 2801172, 3501465, 3819780, 4201758, 4668620, 7002930, 8403516, 10504395, 14005860, 21008790, 42017580]

約数ペア:

[(1, 42017580), (2, 21008790), (3, 14005860), (4, 10504395), (5, 8403516), (6, 7002930), (9, 4668620), (10, 4201758), (11, 3819780), (12, 3501465), (15, 2801172), (18, 2334310), (20, 2100879), (22, 1909890), (30, 1400586), (33, 1273260), (36, 1167155), (44, 954945), (45, 933724), (55, 763956), (60, 700293), (66, 636630), (90, 466862), (99, 424420), (110, 381978), (132, 318315), (165, 254652), (180, 233431), (198, 212210), (220, 190989), (330, 127326), (396, 106105), (495, 84884), (660, 63663), (990, 42442), (1980, 21221)]