21486150

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:403

約数の個数: 144

約数和(自身を含む): 69638400

約数和(自身を除く): 48152250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 25, 30, 35, 38, 42, 45, 50, 57, 63, 70, 75, 90, 95, 105, 114, 126, 133, 150, 171, 175, 190, 210, 225, 266, 285, 315, 342, 350, 359, 399, 450, 475, 525, 570, 630, 665, 718, 798, 855, 950, 1050, 1077, 1197, 1330, 1425, 1575, 1710, 1795, 1995, 2154, 2394, 2513, 2850, 3150, 3231, 3325, 3590, 3990, 4275, 5026, 5385, 5985, 6462, 6650, 6821, 7539, 8550, 8975, 9975, 10770, 11970, 12565, 13642, 15078, 16155, 17950, 19950, 20463, 22617, 25130, 26925, 29925, 32310, 34105, 37695, 40926, 45234, 47747, 53850, 59850, 61389, 62825, 68210, 75390, 80775, 95494, 102315, 113085, 122778, 125650, 143241, 161550, 170525, 188475, 204630, 226170, 238735, 286482, 306945, 341050, 376950, 429723, 477470, 511575, 565425, 613890, 716205, 859446, 1023150, 1130850, 1193675, 1432410, 1534725, 2148615, 2387350, 3069450, 3581025, 4297230, 7162050, 10743075, 21486150]

約数ペア:

[(1, 21486150), (2, 10743075), (3, 7162050), (5, 4297230), (6, 3581025), (7, 3069450), (9, 2387350), (10, 2148615), (14, 1534725), (15, 1432410), (18, 1193675), (19, 1130850), (21, 1023150), (25, 859446), (30, 716205), (35, 613890), (38, 565425), (42, 511575), (45, 477470), (50, 429723), (57, 376950), (63, 341050), (70, 306945), (75, 286482), (90, 238735), (95, 226170), (105, 204630), (114, 188475), (126, 170525), (133, 161550), (150, 143241), (171, 125650), (175, 122778), (190, 113085), (210, 102315), (225, 95494), (266, 80775), (285, 75390), (315, 68210), (342, 62825), (350, 61389), (359, 59850), (399, 53850), (450, 47747), (475, 45234), (525, 40926), (570, 37695), (630, 34105), (665, 32310), (718, 29925), (798, 26925), (855, 25130), (950, 22617), (1050, 20463), (1077, 19950), (1197, 17950), (1330, 16155), (1425, 15078), (1575, 13642), (1710, 12565), (1795, 11970), (1995, 10770), (2154, 9975), (2394, 8975), (2513, 8550), (2850, 7539), (3150, 6821), (3231, 6650), (3325, 6462), (3590, 5985), (3990, 5385), (4275, 5026)]