21576100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2371}}^1$

素因数の和:2405

約数の個数: 72

約数和(自身を含む): 57649088

約数和(自身を除く): 36072988

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 2371, 4550, 4742, 9100, 9484, 11855, 16597, 23710, 30823, 33194, 47420, 59275, 61646, 66388, 82985, 118550, 123292, 154115, 165970, 215761, 237100, 308230, 331940, 414925, 431522, 616460, 770575, 829850, 863044, 1078805, 1541150, 1659700, 2157610, 3082300, 4315220, 5394025, 10788050, 21576100]

約数ペア:

[(1, 21576100), (2, 10788050), (4, 5394025), (5, 4315220), (7, 3082300), (10, 2157610), (13, 1659700), (14, 1541150), (20, 1078805), (25, 863044), (26, 829850), (28, 770575), (35, 616460), (50, 431522), (52, 414925), (65, 331940), (70, 308230), (91, 237100), (100, 215761), (130, 165970), (140, 154115), (175, 123292), (182, 118550), (260, 82985), (325, 66388), (350, 61646), (364, 59275), (455, 47420), (650, 33194), (700, 30823), (910, 23710), (1300, 16597), (1820, 11855), (2275, 9484), (2371, 9100), (4550, 4742)]