21296460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 62741952

約数和(自身を除く): 41445492

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 53, 60, 74, 106, 111, 148, 159, 181, 185, 212, 222, 265, 318, 362, 370, 444, 530, 543, 555, 636, 724, 740, 795, 905, 1060, 1086, 1110, 1590, 1810, 1961, 2172, 2220, 2715, 3180, 3620, 3922, 5430, 5883, 6697, 7844, 9593, 9805, 10860, 11766, 13394, 19186, 19610, 20091, 23532, 26788, 28779, 29415, 33485, 38372, 39220, 40182, 47965, 57558, 58830, 66970, 80364, 95930, 100455, 115116, 117660, 133940, 143895, 191860, 200910, 287790, 354941, 401820, 575580, 709882, 1064823, 1419764, 1774705, 2129646, 3549410, 4259292, 5324115, 7098820, 10648230, 21296460]

約数ペア:

[(1, 21296460), (2, 10648230), (3, 7098820), (4, 5324115), (5, 4259292), (6, 3549410), (10, 2129646), (12, 1774705), (15, 1419764), (20, 1064823), (30, 709882), (37, 575580), (53, 401820), (60, 354941), (74, 287790), (106, 200910), (111, 191860), (148, 143895), (159, 133940), (181, 117660), (185, 115116), (212, 100455), (222, 95930), (265, 80364), (318, 66970), (362, 58830), (370, 57558), (444, 47965), (530, 40182), (543, 39220), (555, 38372), (636, 33485), (724, 29415), (740, 28779), (795, 26788), (905, 23532), (1060, 20091), (1086, 19610), (1110, 19186), (1590, 13394), (1810, 11766), (1961, 10860), (2172, 9805), (2220, 9593), (2715, 7844), (3180, 6697), (3620, 5883), (3922, 5430)]