21472950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 56487456

約数和(自身を除く): 35014506

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 53, 73, 74, 75, 106, 111, 146, 150, 159, 185, 219, 222, 265, 318, 365, 370, 438, 530, 555, 730, 795, 925, 1095, 1110, 1325, 1590, 1825, 1850, 1961, 2190, 2650, 2701, 2775, 3650, 3869, 3922, 3975, 5402, 5475, 5550, 5883, 7738, 7950, 8103, 9805, 10950, 11607, 11766, 13505, 16206, 19345, 19610, 23214, 27010, 29415, 38690, 40515, 49025, 58035, 58830, 67525, 81030, 96725, 98050, 116070, 135050, 143153, 147075, 193450, 202575, 286306, 290175, 294150, 405150, 429459, 580350, 715765, 858918, 1431530, 2147295, 3578825, 4294590, 7157650, 10736475, 21472950]

約数ペア:

[(1, 21472950), (2, 10736475), (3, 7157650), (5, 4294590), (6, 3578825), (10, 2147295), (15, 1431530), (25, 858918), (30, 715765), (37, 580350), (50, 429459), (53, 405150), (73, 294150), (74, 290175), (75, 286306), (106, 202575), (111, 193450), (146, 147075), (150, 143153), (159, 135050), (185, 116070), (219, 98050), (222, 96725), (265, 81030), (318, 67525), (365, 58830), (370, 58035), (438, 49025), (530, 40515), (555, 38690), (730, 29415), (795, 27010), (925, 23214), (1095, 19610), (1110, 19345), (1325, 16206), (1590, 13505), (1825, 11766), (1850, 11607), (1961, 10950), (2190, 9805), (2650, 8103), (2701, 7950), (2775, 7738), (3650, 5883), (3869, 5550), (3922, 5475), (3975, 5402)]