21503910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 53581824

約数和(自身を除く): 32077914

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 101, 141, 151, 202, 235, 282, 302, 303, 453, 470, 505, 606, 705, 755, 906, 1010, 1410, 1510, 1515, 2265, 3030, 4530, 4747, 7097, 9494, 14194, 14241, 15251, 21291, 23735, 28482, 30502, 35485, 42582, 45753, 47470, 70970, 71205, 76255, 91506, 106455, 142410, 152510, 212910, 228765, 457530, 716797, 1433594, 2150391, 3583985, 4300782, 7167970, 10751955, 21503910]

約数ペア:

[(1, 21503910), (2, 10751955), (3, 7167970), (5, 4300782), (6, 3583985), (10, 2150391), (15, 1433594), (30, 716797), (47, 457530), (94, 228765), (101, 212910), (141, 152510), (151, 142410), (202, 106455), (235, 91506), (282, 76255), (302, 71205), (303, 70970), (453, 47470), (470, 45753), (505, 42582), (606, 35485), (705, 30502), (755, 28482), (906, 23735), (1010, 21291), (1410, 15251), (1510, 14241), (1515, 14194), (2265, 9494), (3030, 7097), (4530, 4747)]