21759660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{547}}^1$

素因数の和:592

約数の個数: 144

約数和(自身を含む): 75400416

約数和(自身を除く): 53640756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 547, 585, 612, 663, 765, 780, 884, 1020, 1094, 1105, 1170, 1326, 1530, 1641, 1989, 2188, 2210, 2340, 2652, 2735, 3060, 3282, 3315, 3978, 4420, 4923, 5470, 6564, 6630, 7111, 7956, 8205, 9299, 9846, 9945, 10940, 13260, 14222, 16410, 18598, 19692, 19890, 21333, 24615, 27897, 28444, 32820, 35555, 37196, 39780, 42666, 46495, 49230, 55794, 63999, 71110, 83691, 85332, 92990, 98460, 106665, 111588, 120887, 127998, 139485, 142220, 167382, 185980, 213330, 241774, 255996, 278970, 319995, 334764, 362661, 418455, 426660, 483548, 557940, 604435, 639990, 725322, 836910, 1087983, 1208870, 1279980, 1450644, 1673820, 1813305, 2175966, 2417740, 3626610, 4351932, 5439915, 7253220, 10879830, 21759660]

約数ペア:

[(1, 21759660), (2, 10879830), (3, 7253220), (4, 5439915), (5, 4351932), (6, 3626610), (9, 2417740), (10, 2175966), (12, 1813305), (13, 1673820), (15, 1450644), (17, 1279980), (18, 1208870), (20, 1087983), (26, 836910), (30, 725322), (34, 639990), (36, 604435), (39, 557940), (45, 483548), (51, 426660), (52, 418455), (60, 362661), (65, 334764), (68, 319995), (78, 278970), (85, 255996), (90, 241774), (102, 213330), (117, 185980), (130, 167382), (153, 142220), (156, 139485), (170, 127998), (180, 120887), (195, 111588), (204, 106665), (221, 98460), (234, 92990), (255, 85332), (260, 83691), (306, 71110), (340, 63999), (390, 55794), (442, 49230), (468, 46495), (510, 42666), (547, 39780), (585, 37196), (612, 35555), (663, 32820), (765, 28444), (780, 27897), (884, 24615), (1020, 21333), (1094, 19890), (1105, 19692), (1170, 18598), (1326, 16410), (1530, 14222), (1641, 13260), (1989, 10940), (2188, 9945), (2210, 9846), (2340, 9299), (2652, 8205), (2735, 7956), (3060, 7111), (3282, 6630), (3315, 6564), (3978, 5470), (4420, 4923)]