21847150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 48434400

約数和(自身を除く): 26587250

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 29, 38, 50, 58, 61, 65, 95, 122, 130, 145, 190, 247, 290, 305, 325, 377, 475, 494, 551, 610, 650, 725, 754, 793, 950, 1102, 1159, 1235, 1450, 1525, 1586, 1769, 1885, 2318, 2470, 2755, 3050, 3538, 3770, 3965, 5510, 5795, 6175, 7163, 7930, 8845, 9425, 11590, 12350, 13775, 14326, 15067, 17690, 18850, 19825, 22997, 27550, 28975, 30134, 33611, 35815, 39650, 44225, 45994, 57950, 67222, 71630, 75335, 88450, 114985, 150670, 168055, 179075, 229970, 336110, 358150, 376675, 436943, 574925, 753350, 840275, 873886, 1149850, 1680550, 2184715, 4369430, 10923575, 21847150]

約数ペア:

[(1, 21847150), (2, 10923575), (5, 4369430), (10, 2184715), (13, 1680550), (19, 1149850), (25, 873886), (26, 840275), (29, 753350), (38, 574925), (50, 436943), (58, 376675), (61, 358150), (65, 336110), (95, 229970), (122, 179075), (130, 168055), (145, 150670), (190, 114985), (247, 88450), (290, 75335), (305, 71630), (325, 67222), (377, 57950), (475, 45994), (494, 44225), (551, 39650), (610, 35815), (650, 33611), (725, 30134), (754, 28975), (793, 27550), (950, 22997), (1102, 19825), (1159, 18850), (1235, 17690), (1450, 15067), (1525, 14326), (1586, 13775), (1769, 12350), (1885, 11590), (2318, 9425), (2470, 8845), (2755, 7930), (3050, 7163), (3538, 6175), (3770, 5795), (3965, 5510)]