21013367280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{47353}}^1$

素因数の和:47455

約数の個数: 120

約数和(自身を含む): 66692994768

約数和(自身を除く): 45679627488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 1849, 2064, 2580, 3440, 3698, 5160, 5547, 7396, 9245, 10320, 11094, 14792, 18490, 22188, 27735, 29584, 36980, 44376, 47353, 55470, 73960, 88752, 94706, 110940, 142059, 147920, 189412, 221880, 236765, 284118, 378824, 443760, 473530, 568236, 710295, 757648, 947060, 1136472, 1420590, 1894120, 2036179, 2272944, 2841180, 3788240, 4072358, 5682360, 6108537, 8144716, 10180895, 11364720, 12217074, 16289432, 20361790, 24434148, 30542685, 32578864, 40723580, 48868296, 61085370, 81447160, 87555697, 97736592, 122170740, 162894320, 175111394, 244341480, 262667091, 350222788, 437778485, 488682960, 525334182, 700445576, 875556970, 1050668364, 1313335455, 1400891152, 1751113940, 2101336728, 2626670910, 3502227880, 4202673456, 5253341820, 7004455760, 10506683640, 21013367280]

約数ペア:

[(1, 21013367280), (2, 10506683640), (3, 7004455760), (4, 5253341820), (5, 4202673456), (6, 3502227880), (8, 2626670910), (10, 2101336728), (12, 1751113940), (15, 1400891152), (16, 1313335455), (20, 1050668364), (24, 875556970), (30, 700445576), (40, 525334182), (43, 488682960), (48, 437778485), (60, 350222788), (80, 262667091), (86, 244341480), (120, 175111394), (129, 162894320), (172, 122170740), (215, 97736592), (240, 87555697), (258, 81447160), (344, 61085370), (430, 48868296), (516, 40723580), (645, 32578864), (688, 30542685), (860, 24434148), (1032, 20361790), (1290, 16289432), (1720, 12217074), (1849, 11364720), (2064, 10180895), (2580, 8144716), (3440, 6108537), (3698, 5682360), (5160, 4072358), (5547, 3788240), (7396, 2841180), (9245, 2272944), (10320, 2036179), (11094, 1894120), (14792, 1420590), (18490, 1136472), (22188, 947060), (27735, 757648), (29584, 710295), (36980, 568236), (44376, 473530), (47353, 443760), (55470, 378824), (73960, 284118), (88752, 236765), (94706, 221880), (110940, 189412), (142059, 147920)]