21217575890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1\times {\mathrm{8861}}^1$

素因数の和:9387

約数の個数: 64

約数和(自身を含む): 44307164160

約数和(自身を除く): 23089588270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 433, 553, 790, 866, 1106, 2165, 2765, 3031, 4330, 5530, 6062, 8861, 15155, 17722, 30310, 34207, 44305, 62027, 68414, 88610, 124054, 171035, 239449, 310135, 342070, 478898, 620270, 700019, 1197245, 1400038, 2394490, 3500095, 3836813, 4900133, 7000190, 7673626, 9800266, 19184065, 24500665, 26857691, 38368130, 49001330, 53715382, 134288455, 268576910, 303108227, 606216454, 1515541135, 2121757589, 3031082270, 4243515178, 10608787945, 21217575890]

約数ペア:

[(1, 21217575890), (2, 10608787945), (5, 4243515178), (7, 3031082270), (10, 2121757589), (14, 1515541135), (35, 606216454), (70, 303108227), (79, 268576910), (158, 134288455), (395, 53715382), (433, 49001330), (553, 38368130), (790, 26857691), (866, 24500665), (1106, 19184065), (2165, 9800266), (2765, 7673626), (3031, 7000190), (4330, 4900133), (5530, 3836813), (6062, 3500095), (8861, 2394490), (15155, 1400038), (17722, 1197245), (30310, 700019), (34207, 620270), (44305, 478898), (62027, 342070), (68414, 310135), (88610, 239449), (124054, 171035)]