21167192860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1\times {\mathrm{3229}}^1$

素因数の和:3691

約数の個数: 96

約数和(自身を含む): 49228300800

約数和(自身を除く): 28061107940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 359, 415, 718, 830, 913, 1436, 1660, 1795, 1826, 3229, 3590, 3652, 3949, 4565, 6458, 7180, 7898, 9130, 12916, 15796, 16145, 18260, 19745, 29797, 32290, 35519, 39490, 59594, 64580, 71038, 78980, 119188, 142076, 148985, 177595, 268007, 297970, 327767, 355190, 536014, 595940, 655534, 710380, 1072028, 1159211, 1311068, 1340035, 1638835, 2318422, 2680070, 2948077, 3277670, 4636844, 5360140, 5796055, 5896154, 6555340, 11592110, 11792308, 12751321, 14740385, 23184220, 25502642, 29480770, 51005284, 58961540, 63756605, 96214513, 127513210, 192429026, 255026420, 384858052, 481072565, 962145130, 1058359643, 1924290260, 2116719286, 4233438572, 5291798215, 10583596430, 21167192860]

約数ペア:

[(1, 21167192860), (2, 10583596430), (4, 5291798215), (5, 4233438572), (10, 2116719286), (11, 1924290260), (20, 1058359643), (22, 962145130), (44, 481072565), (55, 384858052), (83, 255026420), (110, 192429026), (166, 127513210), (220, 96214513), (332, 63756605), (359, 58961540), (415, 51005284), (718, 29480770), (830, 25502642), (913, 23184220), (1436, 14740385), (1660, 12751321), (1795, 11792308), (1826, 11592110), (3229, 6555340), (3590, 5896154), (3652, 5796055), (3949, 5360140), (4565, 4636844), (6458, 3277670), (7180, 2948077), (7898, 2680070), (9130, 2318422), (12916, 1638835), (15796, 1340035), (16145, 1311068), (18260, 1159211), (19745, 1072028), (29797, 710380), (32290, 655534), (35519, 595940), (39490, 536014), (59594, 355190), (64580, 327767), (71038, 297970), (78980, 268007), (119188, 177595), (142076, 148985)]