21289814

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{983}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 42402528

約数和(自身を除く): 21112714

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 49, 91, 98, 119, 182, 221, 238, 442, 637, 833, 983, 1274, 1547, 1666, 1966, 3094, 6881, 10829, 12779, 13762, 16711, 21658, 25558, 33422, 48167, 89453, 96334, 116977, 178906, 217243, 233954, 434486, 626171, 818839, 1252342, 1520701, 1637678, 3041402, 10644907, 21289814]

約数ペア:

[(1, 21289814), (2, 10644907), (7, 3041402), (13, 1637678), (14, 1520701), (17, 1252342), (26, 818839), (34, 626171), (49, 434486), (91, 233954), (98, 217243), (119, 178906), (182, 116977), (221, 96334), (238, 89453), (442, 48167), (637, 33422), (833, 25558), (983, 21658), (1274, 16711), (1547, 13762), (1666, 12779), (1966, 10829), (3094, 6881)]