21585240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3527}}^1$

素因数の和:3561

約数の個数: 96

約数和(自身を含む): 74299680

約数和(自身を除く): 52714440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3527, 6120, 7054, 10581, 14108, 17635, 21162, 28216, 31743, 35270, 42324, 52905, 59959, 63486, 70540, 84648, 105810, 119918, 126972, 141080, 158715, 179877, 211620, 239836, 253944, 299795, 317430, 359754, 423240, 479672, 539631, 599590, 634860, 719508, 899385, 1079262, 1199180, 1269720, 1439016, 1798770, 2158524, 2398360, 2698155, 3597540, 4317048, 5396310, 7195080, 10792620, 21585240]

約数ペア:

[(1, 21585240), (2, 10792620), (3, 7195080), (4, 5396310), (5, 4317048), (6, 3597540), (8, 2698155), (9, 2398360), (10, 2158524), (12, 1798770), (15, 1439016), (17, 1269720), (18, 1199180), (20, 1079262), (24, 899385), (30, 719508), (34, 634860), (36, 599590), (40, 539631), (45, 479672), (51, 423240), (60, 359754), (68, 317430), (72, 299795), (85, 253944), (90, 239836), (102, 211620), (120, 179877), (136, 158715), (153, 141080), (170, 126972), (180, 119918), (204, 105810), (255, 84648), (306, 70540), (340, 63486), (360, 59959), (408, 52905), (510, 42324), (612, 35270), (680, 31743), (765, 28216), (1020, 21162), (1224, 17635), (1530, 14108), (2040, 10581), (3060, 7054), (3527, 6120)]