21103729900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{523}}^1\times {\mathrm{36683}}^1$

素因数の和:37231

約数の個数: 72

約数和(自身を含む): 50055171264

約数和(自身を除く): 28951441364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 523, 550, 1046, 1100, 2092, 2615, 5230, 5753, 10460, 11506, 13075, 23012, 26150, 28765, 36683, 52300, 57530, 73366, 115060, 143825, 146732, 183415, 287650, 366830, 403513, 575300, 733660, 807026, 917075, 1614052, 1834150, 2017565, 3668300, 4035130, 8070260, 10087825, 19185209, 20175650, 38370418, 40351300, 76740836, 95926045, 191852090, 211037299, 383704180, 422074598, 479630225, 844149196, 959260450, 1055186495, 1918520900, 2110372990, 4220745980, 5275932475, 10551864950, 21103729900]

約数ペア:

[(1, 21103729900), (2, 10551864950), (4, 5275932475), (5, 4220745980), (10, 2110372990), (11, 1918520900), (20, 1055186495), (22, 959260450), (25, 844149196), (44, 479630225), (50, 422074598), (55, 383704180), (100, 211037299), (110, 191852090), (220, 95926045), (275, 76740836), (523, 40351300), (550, 38370418), (1046, 20175650), (1100, 19185209), (2092, 10087825), (2615, 8070260), (5230, 4035130), (5753, 3668300), (10460, 2017565), (11506, 1834150), (13075, 1614052), (23012, 917075), (26150, 807026), (28765, 733660), (36683, 575300), (52300, 403513), (57530, 366830), (73366, 287650), (115060, 183415), (143825, 146732)]