21989168040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{358597}}^1$

素因数の和:358691

約数の個数: 128

約数和(自身を含む): 76424405760

約数和(自身を除く): 54435237720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 140, 146, 168, 210, 219, 280, 292, 365, 420, 438, 511, 584, 730, 840, 876, 1022, 1095, 1460, 1533, 1752, 2044, 2190, 2555, 2920, 3066, 4088, 4380, 5110, 6132, 7665, 8760, 10220, 12264, 15330, 20440, 30660, 61320, 358597, 717194, 1075791, 1434388, 1792985, 2151582, 2510179, 2868776, 3585970, 4303164, 5020358, 5378955, 7171940, 7530537, 8606328, 10040716, 10757910, 12550895, 14343880, 15061074, 20081432, 21515820, 25101790, 26177581, 30122148, 37652685, 43031640, 50203580, 52355162, 60244296, 75305370, 78532743, 100407160, 104710324, 130887905, 150610740, 157065486, 183243067, 209420648, 261775810, 301221480, 314130972, 366486134, 392663715, 523551620, 549729201, 628261944, 732972268, 785327430, 916215335, 1047103240, 1099458402, 1465944536, 1570654860, 1832430670, 2198916804, 2748646005, 3141309720, 3664861340, 4397833608, 5497292010, 7329722680, 10994584020, 21989168040]

約数ペア:

[(1, 21989168040), (2, 10994584020), (3, 7329722680), (4, 5497292010), (5, 4397833608), (6, 3664861340), (7, 3141309720), (8, 2748646005), (10, 2198916804), (12, 1832430670), (14, 1570654860), (15, 1465944536), (20, 1099458402), (21, 1047103240), (24, 916215335), (28, 785327430), (30, 732972268), (35, 628261944), (40, 549729201), (42, 523551620), (56, 392663715), (60, 366486134), (70, 314130972), (73, 301221480), (84, 261775810), (105, 209420648), (120, 183243067), (140, 157065486), (146, 150610740), (168, 130887905), (210, 104710324), (219, 100407160), (280, 78532743), (292, 75305370), (365, 60244296), (420, 52355162), (438, 50203580), (511, 43031640), (584, 37652685), (730, 30122148), (840, 26177581), (876, 25101790), (1022, 21515820), (1095, 20081432), (1460, 15061074), (1533, 14343880), (1752, 12550895), (2044, 10757910), (2190, 10040716), (2555, 8606328), (2920, 7530537), (3066, 7171940), (4088, 5378955), (4380, 5020358), (5110, 4303164), (6132, 3585970), (7665, 2868776), (8760, 2510179), (10220, 2151582), (12264, 1792985), (15330, 1434388), (20440, 1075791), (30660, 717194), (61320, 358597)]