21015330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 63590400

約数和(自身を除く): 42575070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 23, 30, 35, 38, 42, 46, 57, 69, 70, 95, 105, 114, 115, 133, 138, 161, 190, 210, 229, 230, 266, 285, 322, 345, 399, 437, 458, 483, 570, 665, 687, 690, 798, 805, 874, 966, 1145, 1311, 1330, 1374, 1603, 1610, 1995, 2185, 2290, 2415, 2622, 3059, 3206, 3435, 3990, 4351, 4370, 4809, 4830, 5267, 6118, 6555, 6870, 8015, 8702, 9177, 9618, 10534, 13053, 13110, 15295, 15801, 16030, 18354, 21755, 24045, 26106, 26335, 30457, 30590, 31602, 36869, 43510, 45885, 48090, 52670, 60914, 65265, 73738, 79005, 91371, 91770, 100073, 110607, 130530, 152285, 158010, 182742, 184345, 200146, 221214, 300219, 304570, 368690, 456855, 500365, 553035, 600438, 700511, 913710, 1000730, 1106070, 1401022, 1501095, 2101533, 3002190, 3502555, 4203066, 7005110, 10507665, 21015330]

約数ペア:

[(1, 21015330), (2, 10507665), (3, 7005110), (5, 4203066), (6, 3502555), (7, 3002190), (10, 2101533), (14, 1501095), (15, 1401022), (19, 1106070), (21, 1000730), (23, 913710), (30, 700511), (35, 600438), (38, 553035), (42, 500365), (46, 456855), (57, 368690), (69, 304570), (70, 300219), (95, 221214), (105, 200146), (114, 184345), (115, 182742), (133, 158010), (138, 152285), (161, 130530), (190, 110607), (210, 100073), (229, 91770), (230, 91371), (266, 79005), (285, 73738), (322, 65265), (345, 60914), (399, 52670), (437, 48090), (458, 45885), (483, 43510), (570, 36869), (665, 31602), (687, 30590), (690, 30457), (798, 26335), (805, 26106), (874, 24045), (966, 21755), (1145, 18354), (1311, 16030), (1330, 15801), (1374, 15295), (1603, 13110), (1610, 13053), (1995, 10534), (2185, 9618), (2290, 9177), (2415, 8702), (2622, 8015), (3059, 6870), (3206, 6555), (3435, 6118), (3990, 5267), (4351, 4830), (4370, 4809)]