21049576020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{287327}}^1$

素因数の和:287390

約数の個数: 144

約数和(自身を含む): 71537776128

約数和(自身を除く): 50488200108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 37, 44, 45, 55, 60, 66, 74, 90, 99, 110, 111, 132, 148, 165, 180, 185, 198, 220, 222, 330, 333, 370, 396, 407, 444, 495, 555, 660, 666, 740, 814, 990, 1110, 1221, 1332, 1628, 1665, 1980, 2035, 2220, 2442, 3330, 3663, 4070, 4884, 6105, 6660, 7326, 8140, 12210, 14652, 18315, 24420, 36630, 73260, 287327, 574654, 861981, 1149308, 1436635, 1723962, 2585943, 2873270, 3160597, 3447924, 4309905, 5171886, 5746540, 6321194, 8619810, 9481791, 10343772, 10631099, 12642388, 12929715, 15802985, 17239620, 18963582, 21262198, 25859430, 28445373, 31605970, 31893297, 37927164, 42524396, 47408955, 51718860, 53155495, 56890746, 63211940, 63786594, 94817910, 95679891, 106310990, 113781492, 116942089, 127573188, 142226865, 159466485, 189635820, 191359782, 212621980, 233884178, 284453730, 318932970, 350826267, 382719564, 467768356, 478399455, 568907460, 584710445, 637865940, 701652534, 956798910, 1052478801, 1169420890, 1403305068, 1754131335, 1913597820, 2104957602, 2338841780, 3508262670, 4209915204, 5262394005, 7016525340, 10524788010, 21049576020]

約数ペア:

[(1, 21049576020), (2, 10524788010), (3, 7016525340), (4, 5262394005), (5, 4209915204), (6, 3508262670), (9, 2338841780), (10, 2104957602), (11, 1913597820), (12, 1754131335), (15, 1403305068), (18, 1169420890), (20, 1052478801), (22, 956798910), (30, 701652534), (33, 637865940), (36, 584710445), (37, 568907460), (44, 478399455), (45, 467768356), (55, 382719564), (60, 350826267), (66, 318932970), (74, 284453730), (90, 233884178), (99, 212621980), (110, 191359782), (111, 189635820), (132, 159466485), (148, 142226865), (165, 127573188), (180, 116942089), (185, 113781492), (198, 106310990), (220, 95679891), (222, 94817910), (330, 63786594), (333, 63211940), (370, 56890746), (396, 53155495), (407, 51718860), (444, 47408955), (495, 42524396), (555, 37927164), (660, 31893297), (666, 31605970), (740, 28445373), (814, 25859430), (990, 21262198), (1110, 18963582), (1221, 17239620), (1332, 15802985), (1628, 12929715), (1665, 12642388), (1980, 10631099), (2035, 10343772), (2220, 9481791), (2442, 8619810), (3330, 6321194), (3663, 5746540), (4070, 5171886), (4884, 4309905), (6105, 3447924), (6660, 3160597), (7326, 2873270), (8140, 2585943), (12210, 1723962), (14652, 1436635), (18315, 1149308), (24420, 861981), (36630, 574654), (73260, 287327)]