21755364540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3984499}}^1$

素因数の和:3984531

約数の個数: 96

約数和(自身を含む): 74972352000

約数和(自身を除く): 53216987460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 3984499, 7968998, 11953497, 15937996, 19922495, 23906994, 27891493, 39844990, 47813988, 51798487, 55782986, 59767485, 79689980, 83674479, 103596974, 111565972, 119534970, 139457465, 155395461, 167348958, 207193948, 239069940, 258992435, 278914930, 310790922, 334697916, 362589409, 418372395, 517984870, 557829860, 621581844, 725178818, 776977305, 836744790, 1035969740, 1087768227, 1450357636, 1553954610, 1673489580, 1812947045, 2175536454, 3107909220, 3625894090, 4351072908, 5438841135, 7251788180, 10877682270, 21755364540]

約数ペア:

[(1, 21755364540), (2, 10877682270), (3, 7251788180), (4, 5438841135), (5, 4351072908), (6, 3625894090), (7, 3107909220), (10, 2175536454), (12, 1812947045), (13, 1673489580), (14, 1553954610), (15, 1450357636), (20, 1087768227), (21, 1035969740), (26, 836744790), (28, 776977305), (30, 725178818), (35, 621581844), (39, 557829860), (42, 517984870), (52, 418372395), (60, 362589409), (65, 334697916), (70, 310790922), (78, 278914930), (84, 258992435), (91, 239069940), (105, 207193948), (130, 167348958), (140, 155395461), (156, 139457465), (182, 119534970), (195, 111565972), (210, 103596974), (260, 83674479), (273, 79689980), (364, 59767485), (390, 55782986), (420, 51798487), (455, 47813988), (546, 39844990), (780, 27891493), (910, 23906994), (1092, 19922495), (1365, 15937996), (1820, 11953497), (2730, 7968998), (5460, 3984499)]