21011736

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 54345600

約数和(自身を除く): 33333864

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 73, 134, 146, 179, 201, 219, 268, 292, 358, 402, 438, 536, 537, 584, 716, 804, 876, 1074, 1432, 1608, 1752, 2148, 4296, 4891, 9782, 11993, 13067, 14673, 19564, 23986, 26134, 29346, 35979, 39128, 39201, 47972, 52268, 58692, 71958, 78402, 95944, 104536, 117384, 143916, 156804, 287832, 313608, 875489, 1750978, 2626467, 3501956, 5252934, 7003912, 10505868, 21011736]

約数ペア:

[(1, 21011736), (2, 10505868), (3, 7003912), (4, 5252934), (6, 3501956), (8, 2626467), (12, 1750978), (24, 875489), (67, 313608), (73, 287832), (134, 156804), (146, 143916), (179, 117384), (201, 104536), (219, 95944), (268, 78402), (292, 71958), (358, 58692), (402, 52268), (438, 47972), (536, 39201), (537, 39128), (584, 35979), (716, 29346), (804, 26134), (876, 23986), (1074, 19564), (1432, 14673), (1608, 13067), (1752, 11993), (2148, 9782), (4296, 4891)]