21000929430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3167561}}^1$

素因数の和:3167601

約数の個数: 64

約数和(自身を含む): 57472244928

約数和(自身を除く): 36471315498

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 3167561, 6335122, 9502683, 15837805, 19005366, 31675610, 41178293, 47513415, 53848537, 82356586, 95026830, 107697074, 123534879, 161545611, 205891465, 247069758, 269242685, 323091222, 411782930, 538485370, 617674395, 700030981, 807728055, 1235348790, 1400061962, 1615456110, 2100092943, 3500154905, 4200185886, 7000309810, 10500464715, 21000929430]

約数ペア:

[(1, 21000929430), (2, 10500464715), (3, 7000309810), (5, 4200185886), (6, 3500154905), (10, 2100092943), (13, 1615456110), (15, 1400061962), (17, 1235348790), (26, 807728055), (30, 700030981), (34, 617674395), (39, 538485370), (51, 411782930), (65, 323091222), (78, 269242685), (85, 247069758), (102, 205891465), (130, 161545611), (170, 123534879), (195, 107697074), (221, 95026830), (255, 82356586), (390, 53848537), (442, 47513415), (510, 41178293), (663, 31675610), (1105, 19005366), (1326, 15837805), (2210, 9502683), (3315, 6335122), (6630, 3167561)]