21900528

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11699}}^1$

素因数の和:11726

約数の個数: 60

約数和(自身を含む): 66011400

約数和(自身を除く): 44110872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11699, 23398, 35097, 46796, 70194, 93592, 105291, 140388, 152087, 187184, 210582, 280776, 304174, 421164, 456261, 561552, 608348, 842328, 912522, 1216696, 1368783, 1684656, 1825044, 2433392, 2737566, 3650088, 5475132, 7300176, 10950264, 21900528]

約数ペア:

[(1, 21900528), (2, 10950264), (3, 7300176), (4, 5475132), (6, 3650088), (8, 2737566), (9, 2433392), (12, 1825044), (13, 1684656), (16, 1368783), (18, 1216696), (24, 912522), (26, 842328), (36, 608348), (39, 561552), (48, 456261), (52, 421164), (72, 304174), (78, 280776), (104, 210582), (117, 187184), (144, 152087), (156, 140388), (208, 105291), (234, 93592), (312, 70194), (468, 46796), (624, 35097), (936, 23398), (1872, 11699)]