21729582

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 56908800

約数和(自身を除く): 35179218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 59, 63, 74, 79, 111, 118, 126, 158, 177, 222, 237, 259, 333, 354, 413, 474, 518, 531, 553, 666, 711, 777, 826, 1062, 1106, 1239, 1422, 1554, 1659, 2183, 2331, 2478, 2923, 3318, 3717, 4366, 4661, 4662, 4977, 5846, 6549, 7434, 8769, 9322, 9954, 13098, 13983, 15281, 17538, 19647, 20461, 26307, 27966, 30562, 32627, 39294, 40922, 41949, 45843, 52614, 61383, 65254, 83898, 91686, 97881, 122766, 137529, 172457, 184149, 195762, 275058, 293643, 344914, 368298, 517371, 587286, 1034742, 1207199, 1552113, 2414398, 3104226, 3621597, 7243194, 10864791, 21729582]

約数ペア:

[(1, 21729582), (2, 10864791), (3, 7243194), (6, 3621597), (7, 3104226), (9, 2414398), (14, 1552113), (18, 1207199), (21, 1034742), (37, 587286), (42, 517371), (59, 368298), (63, 344914), (74, 293643), (79, 275058), (111, 195762), (118, 184149), (126, 172457), (158, 137529), (177, 122766), (222, 97881), (237, 91686), (259, 83898), (333, 65254), (354, 61383), (413, 52614), (474, 45843), (518, 41949), (531, 40922), (553, 39294), (666, 32627), (711, 30562), (777, 27966), (826, 26307), (1062, 20461), (1106, 19647), (1239, 17538), (1422, 15281), (1554, 13983), (1659, 13098), (2183, 9954), (2331, 9322), (2478, 8769), (2923, 7434), (3318, 6549), (3717, 5846), (4366, 4977), (4661, 4662)]