21521682

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1877}}^1$

素因数の和:1912

約数の個数: 72

約数和(自身を含む): 58447116

約数和(自身を除く): 36925434

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1877, 1911, 3754, 3822, 5631, 5733, 11262, 11466, 13139, 16893, 24401, 26278, 33786, 39417, 48802, 73203, 78834, 91973, 118251, 146406, 170807, 183946, 219609, 236502, 275919, 341614, 439218, 512421, 551838, 827757, 1024842, 1195649, 1537263, 1655514, 2391298, 3074526, 3586947, 7173894, 10760841, 21521682]

約数ペア:

[(1, 21521682), (2, 10760841), (3, 7173894), (6, 3586947), (7, 3074526), (9, 2391298), (13, 1655514), (14, 1537263), (18, 1195649), (21, 1024842), (26, 827757), (39, 551838), (42, 512421), (49, 439218), (63, 341614), (78, 275919), (91, 236502), (98, 219609), (117, 183946), (126, 170807), (147, 146406), (182, 118251), (234, 91973), (273, 78834), (294, 73203), (441, 48802), (546, 39417), (637, 33786), (819, 26278), (882, 24401), (1274, 16893), (1638, 13139), (1877, 11466), (1911, 11262), (3754, 5733), (3822, 5631)]