21236593150

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1663}}^1\times {\mathrm{2633}}^1$

素因数の和:4405

約数の個数: 48

約数和(自身を含む): 39946443264

約数和(自身を除く): 18709850114

約数列:

[1, 2, 5, 10, 25, 50, 97, 194, 485, 970, 1663, 2425, 2633, 3326, 4850, 5266, 8315, 13165, 16630, 26330, 41575, 65825, 83150, 131650, 161311, 255401, 322622, 510802, 806555, 1277005, 1613110, 2554010, 4032775, 4378679, 6385025, 8065550, 8757358, 12770050, 21893395, 43786790, 109466975, 218933950, 424731863, 849463726, 2123659315, 4247318630, 10618296575, 21236593150]

約数ペア:

[(1, 21236593150), (2, 10618296575), (5, 4247318630), (10, 2123659315), (25, 849463726), (50, 424731863), (97, 218933950), (194, 109466975), (485, 43786790), (970, 21893395), (1663, 12770050), (2425, 8757358), (2633, 8065550), (3326, 6385025), (4850, 4378679), (5266, 4032775), (8315, 2554010), (13165, 1613110), (16630, 1277005), (26330, 806555), (41575, 510802), (65825, 322622), (83150, 255401), (131650, 161311)]