21670128

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2467}}^1$

素因数の和:2542

約数の個数: 60

約数和(自身を含む): 61665448

約数和(自身を除く): 39995320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2467, 2928, 4392, 4934, 7401, 8784, 9868, 14802, 19736, 22203, 29604, 39472, 44406, 59208, 88812, 118416, 150487, 177624, 300974, 355248, 451461, 601948, 902922, 1203896, 1354383, 1805844, 2407792, 2708766, 3611688, 5417532, 7223376, 10835064, 21670128]

約数ペア:

[(1, 21670128), (2, 10835064), (3, 7223376), (4, 5417532), (6, 3611688), (8, 2708766), (9, 2407792), (12, 1805844), (16, 1354383), (18, 1203896), (24, 902922), (36, 601948), (48, 451461), (61, 355248), (72, 300974), (122, 177624), (144, 150487), (183, 118416), (244, 88812), (366, 59208), (488, 44406), (549, 39472), (732, 29604), (976, 22203), (1098, 19736), (1464, 14802), (2196, 9868), (2467, 8784), (2928, 7401), (4392, 4934)]