21418426750

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{28663}}^1$

素因数の和:28755

約数の個数: 96

約数和(自身を含む): 47407733568

約数和(自身を除く): 25989306818

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 61, 70, 98, 122, 125, 175, 245, 250, 305, 350, 427, 490, 610, 854, 875, 1225, 1525, 1750, 2135, 2450, 2989, 3050, 4270, 5978, 6125, 7625, 10675, 12250, 14945, 15250, 21350, 28663, 29890, 53375, 57326, 74725, 106750, 143315, 149450, 200641, 286630, 373625, 401282, 716575, 747250, 1003205, 1404487, 1433150, 1748443, 2006410, 2808974, 3496886, 3582875, 5016025, 7022435, 7165750, 8742215, 10032050, 12239101, 14044870, 17484430, 24478202, 25080125, 35112175, 43711075, 50160250, 61195505, 70224350, 85673707, 87422150, 122391010, 171347414, 175560875, 218555375, 305977525, 351121750, 428368535, 437110750, 611955050, 856737070, 1529887625, 2141842675, 3059775250, 4283685350, 10709213375, 21418426750]

約数ペア:

[(1, 21418426750), (2, 10709213375), (5, 4283685350), (7, 3059775250), (10, 2141842675), (14, 1529887625), (25, 856737070), (35, 611955050), (49, 437110750), (50, 428368535), (61, 351121750), (70, 305977525), (98, 218555375), (122, 175560875), (125, 171347414), (175, 122391010), (245, 87422150), (250, 85673707), (305, 70224350), (350, 61195505), (427, 50160250), (490, 43711075), (610, 35112175), (854, 25080125), (875, 24478202), (1225, 17484430), (1525, 14044870), (1750, 12239101), (2135, 10032050), (2450, 8742215), (2989, 7165750), (3050, 7022435), (4270, 5016025), (5978, 3582875), (6125, 3496886), (7625, 2808974), (10675, 2006410), (12250, 1748443), (14945, 1433150), (15250, 1404487), (21350, 1003205), (28663, 747250), (29890, 716575), (53375, 401282), (57326, 373625), (74725, 286630), (106750, 200641), (143315, 149450)]