21000746442

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1\times {\mathrm{12211}}^1$

素因数の和:13543

約数の個数: 64

約数和(自身を含む): 47933956224

約数和(自身を除く): 26933209782

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1297, 1326, 2594, 3891, 7782, 12211, 16861, 22049, 24422, 33722, 36633, 44098, 50583, 66147, 73266, 101166, 132294, 158743, 207587, 286637, 317486, 415174, 476229, 573274, 622761, 859911, 952458, 1245522, 1719822, 2698631, 5397262, 8095893, 15837667, 16191786, 31675334, 47513001, 95026002, 205889671, 269240339, 411779342, 538480678, 617669013, 807721017, 1235338026, 1615442034, 3500124407, 7000248814, 10500373221, 21000746442]

約数ペア:

[(1, 21000746442), (2, 10500373221), (3, 7000248814), (6, 3500124407), (13, 1615442034), (17, 1235338026), (26, 807721017), (34, 617669013), (39, 538480678), (51, 411779342), (78, 269240339), (102, 205889671), (221, 95026002), (442, 47513001), (663, 31675334), (1297, 16191786), (1326, 15837667), (2594, 8095893), (3891, 5397262), (7782, 2698631), (12211, 1719822), (16861, 1245522), (22049, 952458), (24422, 859911), (33722, 622761), (36633, 573274), (44098, 476229), (50583, 415174), (66147, 317486), (73266, 286637), (101166, 207587), (132294, 158743)]