21457515100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{84913}}^1$

素因数の和:84972

約数の個数: 108

約数和(自身を含む): 56163478224

約数和(自身を除く): 34705963124

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 361, 380, 475, 532, 665, 700, 722, 950, 1330, 1444, 1805, 1900, 2527, 2660, 3325, 3610, 5054, 6650, 7220, 9025, 10108, 12635, 13300, 18050, 25270, 36100, 50540, 63175, 84913, 126350, 169826, 252700, 339652, 424565, 594391, 849130, 1188782, 1613347, 1698260, 2122825, 2377564, 2971955, 3226694, 4245650, 5943910, 6453388, 8066735, 8491300, 11293429, 11887820, 14859775, 16133470, 22586858, 29719550, 30653593, 32266940, 40333675, 45173716, 56467145, 59439100, 61307186, 80667350, 112934290, 122614372, 153267965, 161334700, 214575151, 225868580, 282335725, 306535930, 429150302, 564671450, 613071860, 766339825, 858300604, 1072875755, 1129342900, 1532679650, 2145751510, 3065359300, 4291503020, 5364378775, 10728757550, 21457515100]

約数ペア:

[(1, 21457515100), (2, 10728757550), (4, 5364378775), (5, 4291503020), (7, 3065359300), (10, 2145751510), (14, 1532679650), (19, 1129342900), (20, 1072875755), (25, 858300604), (28, 766339825), (35, 613071860), (38, 564671450), (50, 429150302), (70, 306535930), (76, 282335725), (95, 225868580), (100, 214575151), (133, 161334700), (140, 153267965), (175, 122614372), (190, 112934290), (266, 80667350), (350, 61307186), (361, 59439100), (380, 56467145), (475, 45173716), (532, 40333675), (665, 32266940), (700, 30653593), (722, 29719550), (950, 22586858), (1330, 16133470), (1444, 14859775), (1805, 11887820), (1900, 11293429), (2527, 8491300), (2660, 8066735), (3325, 6453388), (3610, 5943910), (5054, 4245650), (6650, 3226694), (7220, 2971955), (9025, 2377564), (10108, 2122825), (12635, 1698260), (13300, 1613347), (18050, 1188782), (25270, 849130), (36100, 594391), (50540, 424565), (63175, 339652), (84913, 252700), (126350, 169826)]