21589320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:607

約数の個数: 128

約数和(自身を含む): 72316800

約数和(自身を除く): 50727480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 557, 570, 646, 680, 760, 969, 1020, 1114, 1140, 1292, 1615, 1671, 1938, 2040, 2228, 2280, 2584, 2785, 3230, 3342, 3876, 4456, 4845, 5570, 6460, 6684, 7752, 8355, 9469, 9690, 10583, 11140, 12920, 13368, 16710, 18938, 19380, 21166, 22280, 28407, 31749, 33420, 37876, 38760, 42332, 47345, 52915, 56814, 63498, 66840, 75752, 84664, 94690, 105830, 113628, 126996, 142035, 158745, 179911, 189380, 211660, 227256, 253992, 284070, 317490, 359822, 378760, 423320, 539733, 568140, 634980, 719644, 899555, 1079466, 1136280, 1269960, 1439288, 1799110, 2158932, 2698665, 3598220, 4317864, 5397330, 7196440, 10794660, 21589320]

約数ペア:

[(1, 21589320), (2, 10794660), (3, 7196440), (4, 5397330), (5, 4317864), (6, 3598220), (8, 2698665), (10, 2158932), (12, 1799110), (15, 1439288), (17, 1269960), (19, 1136280), (20, 1079466), (24, 899555), (30, 719644), (34, 634980), (38, 568140), (40, 539733), (51, 423320), (57, 378760), (60, 359822), (68, 317490), (76, 284070), (85, 253992), (95, 227256), (102, 211660), (114, 189380), (120, 179911), (136, 158745), (152, 142035), (170, 126996), (190, 113628), (204, 105830), (228, 94690), (255, 84664), (285, 75752), (323, 66840), (340, 63498), (380, 56814), (408, 52915), (456, 47345), (510, 42332), (557, 38760), (570, 37876), (646, 33420), (680, 31749), (760, 28407), (969, 22280), (1020, 21166), (1114, 19380), (1140, 18938), (1292, 16710), (1615, 13368), (1671, 12920), (1938, 11140), (2040, 10583), (2228, 9690), (2280, 9469), (2584, 8355), (2785, 7752), (3230, 6684), (3342, 6460), (3876, 5570), (4456, 4845)]