21640050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2568

約数の個数: 72

約数和(自身を含む): 61223760

約数和(自身を除く): 39583710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2531, 2850, 4275, 5062, 7593, 8550, 12655, 15186, 22779, 25310, 37965, 45558, 48089, 63275, 75930, 96178, 113895, 126550, 144267, 189825, 227790, 240445, 288534, 379650, 432801, 480890, 569475, 721335, 865602, 1138950, 1202225, 1442670, 2164005, 2404450, 3606675, 4328010, 7213350, 10820025, 21640050]

約数ペア:

[(1, 21640050), (2, 10820025), (3, 7213350), (5, 4328010), (6, 3606675), (9, 2404450), (10, 2164005), (15, 1442670), (18, 1202225), (19, 1138950), (25, 865602), (30, 721335), (38, 569475), (45, 480890), (50, 432801), (57, 379650), (75, 288534), (90, 240445), (95, 227790), (114, 189825), (150, 144267), (171, 126550), (190, 113895), (225, 96178), (285, 75930), (342, 63275), (450, 48089), (475, 45558), (570, 37965), (855, 25310), (950, 22779), (1425, 15186), (1710, 12655), (2531, 8550), (2850, 7593), (4275, 5062)]