21492751644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6560669}}^1$

素因数の和:6560699

約数の個数: 72

約数和(自身を含む): 66866348640

約数和(自身を除く): 45373596996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6560669, 13121338, 19682007, 26242676, 39364014, 45924683, 59046021, 78728028, 85288697, 91849366, 118092042, 137774049, 170577394, 183698732, 236184084, 255866091, 275548098, 341154788, 413322147, 511732182, 551096196, 597020879, 767598273, 826644294, 1023464364, 1194041758, 1535196546, 1653288588, 1791062637, 2388083516, 3070393092, 3582125274, 5373187911, 7164250548, 10746375822, 21492751644]

約数ペア:

[(1, 21492751644), (2, 10746375822), (3, 7164250548), (4, 5373187911), (6, 3582125274), (7, 3070393092), (9, 2388083516), (12, 1791062637), (13, 1653288588), (14, 1535196546), (18, 1194041758), (21, 1023464364), (26, 826644294), (28, 767598273), (36, 597020879), (39, 551096196), (42, 511732182), (52, 413322147), (63, 341154788), (78, 275548098), (84, 255866091), (91, 236184084), (117, 183698732), (126, 170577394), (156, 137774049), (182, 118092042), (234, 91849366), (252, 85288697), (273, 78728028), (364, 59046021), (468, 45924683), (546, 39364014), (819, 26242676), (1092, 19682007), (1638, 13121338), (3276, 6560669)]