21000756030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{300569}}^1$

素因数の和:300733

約数の個数: 64

約数和(自身を含む): 53756343360

約数和(自身を除く): 32755587330

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 137, 170, 255, 274, 411, 510, 685, 822, 1370, 2055, 2329, 4110, 4658, 6987, 11645, 13974, 23290, 34935, 69870, 300569, 601138, 901707, 1502845, 1803414, 3005690, 4508535, 5109673, 9017070, 10219346, 15329019, 25548365, 30658038, 41177953, 51096730, 76645095, 82355906, 123533859, 153290190, 205889765, 247067718, 411779530, 617669295, 700025201, 1235338590, 1400050402, 2100075603, 3500126005, 4200151206, 7000252010, 10500378015, 21000756030]

約数ペア:

[(1, 21000756030), (2, 10500378015), (3, 7000252010), (5, 4200151206), (6, 3500126005), (10, 2100075603), (15, 1400050402), (17, 1235338590), (30, 700025201), (34, 617669295), (51, 411779530), (85, 247067718), (102, 205889765), (137, 153290190), (170, 123533859), (255, 82355906), (274, 76645095), (411, 51096730), (510, 41177953), (685, 30658038), (822, 25548365), (1370, 15329019), (2055, 10219346), (2329, 9017070), (4110, 5109673), (4658, 4508535), (6987, 3005690), (11645, 1803414), (13974, 1502845), (23290, 901707), (34935, 601138), (69870, 300569)]