21870034550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{252979}}^1$

素因数の和:253030

約数の個数: 96

約数和(自身を含む): 52700793600

約数和(自身を除く): 30830759050

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 25, 26, 35, 38, 50, 65, 70, 91, 95, 130, 133, 175, 182, 190, 247, 266, 325, 350, 455, 475, 494, 650, 665, 910, 950, 1235, 1330, 1729, 2275, 2470, 3325, 3458, 4550, 6175, 6650, 8645, 12350, 17290, 43225, 86450, 252979, 505958, 1264895, 1770853, 2529790, 3288727, 3541706, 4806601, 6324475, 6577454, 8854265, 9613202, 12648950, 16443635, 17708530, 23021089, 24033005, 32887270, 33646207, 44271325, 46042178, 48066010, 62485813, 67292414, 82218175, 88542650, 115105445, 120165025, 124971626, 164436350, 168231035, 230210890, 240330050, 312429065, 336462070, 437400691, 575527225, 624858130, 841155175, 874801382, 1151054450, 1562145325, 1682310350, 2187003455, 3124290650, 4374006910, 10935017275, 21870034550]

約数ペア:

[(1, 21870034550), (2, 10935017275), (5, 4374006910), (7, 3124290650), (10, 2187003455), (13, 1682310350), (14, 1562145325), (19, 1151054450), (25, 874801382), (26, 841155175), (35, 624858130), (38, 575527225), (50, 437400691), (65, 336462070), (70, 312429065), (91, 240330050), (95, 230210890), (130, 168231035), (133, 164436350), (175, 124971626), (182, 120165025), (190, 115105445), (247, 88542650), (266, 82218175), (325, 67292414), (350, 62485813), (455, 48066010), (475, 46042178), (494, 44271325), (650, 33646207), (665, 32887270), (910, 24033005), (950, 23021089), (1235, 17708530), (1330, 16443635), (1729, 12648950), (2275, 9613202), (2470, 8854265), (3325, 6577454), (3458, 6324475), (4550, 4806601), (6175, 3541706), (6650, 3288727), (8645, 2529790), (12350, 1770853), (17290, 1264895), (43225, 505958), (86450, 252979)]